Below You Are Given a Partial Computer Output Relating the Price

question 79

Essay

Below you are given a partial computer output relating the price of a company's stock (Y in dollars), the Dow Jones industrial average (X₁), and the stock price of the company's major competitor (X₂ in dollars).
a.What has been the sample size for this regression analysis?
b.At $\alpha$ = 0.05 level of significance, test to determine if the model is significant. That is, determine if there exists a significant relationship between the independent variables and the dependent variable.
c.Determine the multiple coefficient of determination.

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Definitions:

Sample Size

The total number of instances or replications incorporated in a statistical sampling.

Population Proportion

The fraction or percentage of the population that exhibits a specific attribute or characteristic.

Sampling Distribution

The probability distribution of a given statistic based on a random sample, reflecting how the statistic varies from sample to sample.

Standard Error

An estimate of the standard deviation of the sampling distribution of a statistic, especially of the mean.